1 /*
   2  * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test SharedStringsAuto
  26  * @summary Test -Xshare:auto with shared strings.
  27  * Feature support: G1GC only, compressed oops/kptrs, 64-bit os, not on windows
  28  * @requires (sun.arch.data.model != "32") & (os.family != "windows")
  29  * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)
  30  * @requires vm.gc.G1
  31  * @library /test/lib
  32  * @modules java.base/jdk.internal.misc
  33  *          java.management
  34  * @run main SharedStringsRunAuto
  35  */
  36 
  37 import jdk.test.lib.process.ProcessTools;
  38 import jdk.test.lib.process.OutputAnalyzer;
  39 import java.io.File;
  40 
  41 public class SharedStringsRunAuto {
  42     public static void main(String[] args) throws Exception {
  43         // Dump
  44         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  45             "-XX:+UnlockDiagnosticVMOptions",
  46             "-XX:SharedArchiveFile=./SharedStringsRunAuto.jsa",
  47             "-XX:+UseCompressedOops", "-XX:+UseG1GC",
  48             "-XX:+PrintSharedSpaces",
  49             "-Xshare:dump");
  50 
  51         new OutputAnalyzer(pb.start())
  52             .shouldContain("Loading classes to share")
  53             .shouldContain("Shared string table stats")
  54             .shouldHaveExitValue(0);
  55 
  56         // Run with -Xshare:auto
  57         pb = ProcessTools.createJavaProcessBuilder(
  58            "-XX:+UnlockDiagnosticVMOptions",
  59            "-XX:SharedArchiveFile=./SharedStringsRunAuto.jsa",
  60            "-XX:+UseCompressedOops", "-XX:+UseG1GC",
  61            "-Xshare:auto",
  62            "-version");
  63 
  64         new OutputAnalyzer(pb.start())
  65             .shouldMatch("(java|openjdk) version")
  66             .shouldHaveExitValue(0);
  67     }
  68 }